[Initiatives.wiki] Fix typo in job name

[Julian Sparber <jsparber src gnome org>]

commit 77db5965877c619e94a895c1a646717b1cd84895
Author: Julian Sparber <julian sparber net>
Date:   Wed Sep 21 12:15:21 2022 +0000

    Fix typo in job name

 DevOps-with-Flatpak.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/DevOps-with-Flatpak.md b/DevOps-with-Flatpak.md
index a40ea22..a9b80a4 100644
--- a/DevOps-with-Flatpak.md
+++ b/DevOps-with-Flatpak.md
@@ -69,8 +69,8 @@ nightly@x86_64:
 
 nightly@aarch64:
   extends: '.publish_nightly'
-  # assuming your job in named 'flatpak@aach64'
-  needs: ['flatpak@aach64']
+  # assuming your job in named 'flatpak@aarch64'
+  needs: ['flatpak@aarch64']
 ```
 
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